<template>
  <div class="playlist">
    <div class="playlist-top">
      <div class="left">
        <svg class="icon" aria-hidden="true">
          <use xlink:href="#icon-bofang3"></use>
        </svg>
        <div class="text">
          <div class="title">播放全部</div>
          <div class="num">（共{{ playlist.tracks.length }}首）</div>
        </div>
      </div>
      <div class="btn">
        + 收藏 （{{ changeValue(playlist.subscribedCount) }}）
      </div>
    </div>
    <div class="list">
        <div class="playItem" v-for="(item,i) in playlist.tracks" :key="i" @click="changeSong(i)">
            <div class="left">
                <div class="index">{{i+1}}</div>
                <div class="content">
                    <div class="title">{{item.name}}</div>
                    <div class="anthor">

                        <span class="name">{{item.ar[0].name}}</span>

                    </div>
                </div>
            </div>
            <div class="right">
              <!-- v-show="item.mv" 判断有无mv，但是位置问题，想一直占有 -->
                <svg class="icon" aria-hidden="true" @click="setPlayIndex(i)">
                    <use xlink:href="#icon-bofang2"></use>
                </svg>
                <svg class="icon" aria-hidden="true">
                    <use xlink:href="#icon-liebiao"></use>
                </svg>
            </div>
        </div>
    </div>
    <div style="height:1.4rem"></div>
  </div>
</template>

<script>
import { mapMutations } from "vuex";
export default {
  props: ["playlist"],
  methods: {
    changeValue: function (num) {
      let res = 0;
      if (num >= 100000000) {
        res = num / 100000000;
        res = res.toFixed(2) + "亿";
      } else if (num > 10000) {
        res = num / 10000;
        res = res.toFixed(2) + "万";
      }
      return res;
    },
    changeSong(index){
      this.$store.commit('setPlayIndex', index)
      this.$store.dispatch('reqLyric',{id:this.playlist.tracks[index].id})
    },
    ...mapMutations(["setPlayIndex"]),
  },
};
</script>

<style lang="less" scoped>
.playlist {
  width: 7.5rem;
  height: calc(100% + 1.2rem);
  padding: 0 0.4rem;
  background-color: #fff;
  border-top-left-radius: 0.3rem;
  border-top-right-radius: 0.3rem;
  margin-top: 0.4rem;

  .playlist-top {
    display: flex;
    justify-content: space-between;
    height: 1rem;
    align-items: center;

    .left {
      display: flex;
      align-items: center;
      .icon {
        width: 0.6rem;
        height: 0.6rem;
      }
      .title {
        font-size: 0.34rem;
        font-weight: 900;
      }

      .mun {
        font-size: 0.24rem;
        color: #666;
      }
      .text {
        display: flex;
        align-items: center;
        margin-left: 0.2rem;
      }
    }
    .btn {
      font-size: 0.24rem;
      color: #fff;
      background-color: orangered;
      line-height: 0.4rem;
      padding: 0.1rem;
      border-radius: 0.4rem;
    }
  }
  .list {
        .playItem {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 1rem;

            .left {
                flex: 1;
                display: flex;
                align-items: center;
                color: #666;
                overflow: hidden;
                white-space: nowrap;
                text-overflow: ellipsis;
                word-break: break-all;
                word-wrap: break-word;

                .index {
                    width: 0.4rem;
                }

                .content {
                    padding-left: 0.4rem;
                    width: 4.7rem;
                }

                .title {
                    width: calc(100% - 0.4rem);
                    overflow: hidden;
                    white-space: nowrap;
                    text-overflow: ellipsis;
                    word-break: break-all;
                    word-wrap: break-word;
                    font-size: 0.3rem;
                    font-weight: 900;
                    color: #000;
                    margin-bottom: 0.1rem;
                }

                .tag {
                    font-size: 0.2rem;
                    color: orangered;
                    border: 1px solid orangered;
                    border-radius: 0.1rem;
                    margin-right: 0.1rem;

                }

                .anthor {
                    color: #666;
                    display: flex;
                    overflow: hidden;
                    height: 0.35rem;

                    .name {
                        width: 3rem;
                    }
                }
            }

            .right {
                width: 1.6rem;

                .icon {
                    margin: 0 0.2rem
                }
            }

        }
    }
}
</style>